Home / 1,987,222.73-2,741,059.49-1,435,018.85

Finding the Fourth Proportional to 1,987,222.73, 2,741,059.49 and 1,435,018.85

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Solution

The fourth proportional to 1,987,222.73, 2,741,059.49 and 1,435,018.85 is: 1,979,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,222.73 : 2,741,059.49 = 1,435,018.85 : x
  2. Step 2: Convert to fraction form
    1,987,222.73/2,741,059.49 = 1,435,018.85/x
  3. Step 3: Cross multiply
    1,987,222.73x = 2,741,059.49 × 1,435,018.85
  4. Step 4: Simplify right side
    1,987,222.73x = 3,933,472,037,121.39
  5. Step 5: Solve for x
    x = 3,933,472,037,121.39/1,987,222.73
  6. Step 6: Final answer
    x = 1,979,381.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.